diff --git a/simulat0r/bin/update-bridge-files.sh b/simulat0r/bin/update-bridge-files.sh
index f278dc5..3d801a2 100755
--- a/simulat0r/bin/update-bridge-files.sh
+++ b/simulat0r/bin/update-bridge-files.sh
@@ -44,3 +44,11 @@ do
 	(printf "# GENERATED INCLUDE BRIDGE/\n"; echo include `dirname $i | sed "s#[^/]*#..#g" `/../$i) >simulat0r/$i
     fi
 done
+
+if cmp firmware/.gitignore simulat0r/firmware/.gitignore;
+then
+    echo OK .gitignore is the same in firmware/ and simulat0r/firmware
+else
+    echo WARNING: .gitignore mismatch in firmware/ and simulat0r/firmware
+    diff -y firmware/.gitignore simulat0r/firmware/.gitignore
+fi 
diff --git a/simulat0r/firmware/.gitignore b/simulat0r/firmware/.gitignore
new file mode 100644
index 0000000..ca10624
--- /dev/null
+++ b/simulat0r/firmware/.gitignore
@@ -0,0 +1,6 @@
+firmware.bin
+firmware.elf
+lpc1xxx/memory.ld
+applications/wrapper.c
+lcd/allfonts.h
+Makefile.dep